# dosage

/ˈdoʊsədʒ/ (US) · /dˈəʊsɪdʒ/ (UK)

Source: https://englishreference.com/word/dosage
Updated: 2026-06-20

## Senses

### 1. medical amount and frequency

noun · CEFR B2

the amount of medicine you take, including how often and for how long you take it.

For teachers: the prescribed amount of a therapeutic agent, including the frequency and duration of administration.

- The doctor increased the dosage of her heart medicine to twice a day.
- The clinical trial aimed to determine the optimal dosage that would maximise efficacy while minimising adverse side effects in elderly patients.

Usage: Often used with 'increase', 'decrease', or 'adjust'.

### 2. adding a substance

noun · CEFR C1 · Technical

the act of adding a small, measured amount of something to a liquid or mixture.

For teachers: the addition of a specific, measured quantity of a substance to a larger volume, often in industrial or chemical processes.

- The winemaker carefully checked the sugar dosage before bottling the wine.
- Precise dosage of chlorine is essential in water treatment facilities to ensure safety without affecting the taste of the supply.

Usage: Common in chemistry and food science contexts.

## Examples

- Take this dosage twice a day.
- The doctor adjusted the dosage because the patient felt dizzy after the first pill.
- Precise dosage calculations are critical in pediatric medicine, where even minor deviations can lead to significant side effects or reduced therapeutic efficacy.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.